Fri 2016-10-28 17:07:03 UTC+2, marech...@gmail.com: > > Hello, > > I have troubles plotting 3D polyhedra. I don't understand what happens > because I've done it for several years and it is the first time it does not > work. > > Small example : > > # 2*x + y >= 0 ; -x - y + 2 - z >= 0 ; z >= 0 ; -x + 1 >= 0 ; -y + 2 >= 0 > ineqs = [[0,2,1,0], [2,-1,-1,-1], [0,0,0,1], [1,-1,0,0], [2,0,-1,0]] > > P = Polyhedron(ieqs = ineqs) > > to_plot = P.projection().render_solid_3d() > to_plot.show() > > #to plot the outline of a 3D polyhedron > to_plot = P.projection().render_wireframe_3d(color = 'blue', alpha = 0.8) > to_plot.show() > > By plotting the wireframe of P, everything works (see > wireframe_jmol_ok.png). > > But plotting the solid with render_solid_3d does not work (see > solid_jmol_ko.png). > > I asked some other people to run this test and they obtain the same result. > > Greetings, > Alexandre >
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